It will close the circuit automatically once the system pressure equalizes below the 425 PSIG reset threshold

This often indicates a drop in millivoltage under load

The "/U" suffix typically denotes universal packaging

it is the standard 300F rollout switch for Intertherm and Miller mobile home and residential gas units

this kit addresses common failure points such as elastomer fatigue and debris-related leakage

Reznor 92778 Venter Housing/Shroud Els PW 17895 It will close the circuitThe Reznor 92778 Venter Housing Shroud is a precision engineered OEM Reznor replacement part designed for critical exhaust management in commercial and industrial heating applications. Constructed from heavy duty steel with a corrosion resistant finish, this shroud is specifically compatible with Reznor HRP and HRPB series unit heaters ranging from 125,000 to 350,000 BTU, as well as the RGD0014 model. By enclosing the venter motor assembly, this